Two balloons of different mass hang from strings near each other. You charge them about the same amount by rubbing each balloon with wool. How do your answers depend on whether the balloons have the same or different magnitude charge?

Describe the function of the endomembrane system? what organelles are involved?

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter